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    <title>Document</title>
    <link rel="stylesheet" href="swiper.min.css">
    <style>
        * {
            padding: 0;
            margin: 0;
        }
        
        a {
            text-decoration: none;
            color: #707070;
        }
        
        body {
            min-width: 320px;
            max-width: 750px;
            margin: 0 auto;
            background-color: #ccc;
        }
        
        @media screen and (min-width: 750px) {
            html {
                font-size: 75px !important;
            }
        }
        
        div {
            font-size: 1rem;
        }
        
        .header {
            height: 1.0667rem;
            border-bottom: 1px solid #000;
            text-align: center;
            line-height: 1.0667rem;
            font-size: .4667rem;
        }
        
        .nav {
            display: flex;
            flex-wrap: wrap;
            background-color: #fff;
        }
        
        .item {
            width: 33.33%;
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-top: .1333rem;
        }
        
        .item img {
            width: 1.8533rem;
            border-radius: 50%;
        }
        
        .item span {
            font-size: .3333rem;
        }
        
        .swiper-container {
            width: 100%;
            padding-top: 50px;
            padding-bottom: 50px;
        }
        
        .swiper-slide {
            background-position: center;
            background-size: cover;
            width: 300px;
            height: 300px;
        }
        
        .lo {
            height: 5.0133rem;
            width: 4.5067rem;
        }
        
        .footer {
            display: flex;
            position: fixed;
            width: 100%;
            background-color: pink;
            height: 1.4667rem;
            z-index: 999;
            left: 0;
            bottom: 0;
        }
        
        .asd {
            flex: 1
        }
    </style>


</head>

<body>
    <header class="header">
        黑马绵绵
    </header>
    <nav class="nav">
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>




    </nav>
    <nav class="nav">
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>




    </nav>
    <nav class="nav">
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>




    </nav>
    <nav class="nav">
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>
        <a href="#" class="item">
            <img src="Screenshot_20211121_120311.jpg" alt="">
            <span>你还</span>
        </a>




    </nav>

    <div class="swiper">
        <!-- Swiper -->
        <div class="swiper-container">
            <div class="swiper-wrapper yoo">
                <div class="swiper-slide lo" style="background-image:url(Screenshot_20211121_120311.jpg)">rrr</div>
                <div class="swiper-slide lo" style="background-image:url(Screenshot_20211121_120311.jpg)"></div>
                <div class="swiper-slide lo" style="background-image:url(Screenshot_20211121_120311.jpg)"></div>
                <div class="swiper-slide lo" style="background-image:url(Screenshot_20211121_120311.jpg)"></div>
                <div class="swiper-slide lo" style="background-image:url(Screenshot_20211121_120311.jpg)"></div>
            </div>
            <!-- Add Pagination -->
            <div class="swiper-pagination"></div>
        </div>
    </div>

    <footer class="footer">
        <a href="#" class="asd">1</a>
        <a href="#" class="asd">2</a>
        <a href="#" class="asd">3</a>
        <a href="#" class="asd">4</a>

    </footer>
</body>
<script src="fff.js"></script>
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<script>
    (function() {
        var swiper = new Swiper('.swiper-container', {
            pagination: '.swiper-pagination',
            effect: 'coverflow',
            grabCursor: true,
            centeredSlides: true,
            slidesPerView: 'auto',
            coverflow: {
                rotate: 50,
                stretch: 0,
                depth: 100,
                modifier: 1,
                slideShadows: true
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